class_docstr: Test material featurizers.
docstr: Test Element Property featurizer.
docstr_tok: ["Test","Element","Property","featurizer","."]
code: def test_element_property_fingerprint(self):
      """
      Test Element Property featurizer.
      """
  
      featurizer = ElementPropertyFingerprint(data_source="matminer")
      features = featurizer.featurize([self.formula])
  
      assert len(features[0]) == 65
      assert np.allclose(
          features[0][:5],
          [2.16, 2.58, 0.42, 2.44, 0.29698485],
          atol=0.1,
      )
  
file_path: deepchem/deepchem/feat/tests/test_materials_featurizers.py
imports: import unittest
  import numpy
  from deepchem.feat import ElementPropertyFingerprint, SineCoulombMatrix, CGCNNFeaturizer, ElemNetFeaturizer
label_desc: Use image node_id 2 for calling the TestMaterialFeaturizers obj's underlying member method code with example usage: obj.test_element_property_fingerprint() without return types